18202989

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4789}}^1$

素因数の和:4980

約数の個数: 16

約数和(自身を含む): 27896960

約数和(自身を除く): 9693971

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 4789, 14367, 33523, 100569, 866809, 2600427, 6067663, 18202989]

約数ペア:

[(1, 18202989), (3, 6067663), (7, 2600427), (21, 866809), (181, 100569), (543, 33523), (1267, 14367), (3801, 4789)]